Home / 1,339,784.43-2,009,781.95-380,224.82

Finding the Fourth Proportional to 1,339,784.43, 2,009,781.95 and 380,224.82

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Solution

The fourth proportional to 1,339,784.43, 2,009,781.95 and 380,224.82 is: 570,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,784.43 : 2,009,781.95 = 380,224.82 : x
  2. Step 2: Convert to fraction form
    1,339,784.43/2,009,781.95 = 380,224.82/x
  3. Step 3: Cross multiply
    1,339,784.43x = 2,009,781.95 × 380,224.82
  4. Step 4: Simplify right side
    1,339,784.43x = 764,168,968,227.97
  5. Step 5: Solve for x
    x = 764,168,968,227.97/1,339,784.43
  6. Step 6: Final answer
    x = 570,367.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.